From Old Norse blása, from Proto-Germanic *blēsaną.

blása (third person singular past indicative blásti, third person plural past indicative blást, supine blást)

1. to blow

In poetic language the form blæs acts as both present and past tense.

From Old Norse blása, from Proto-Germanic *blēsaną.

• IPA^(key): /ˈplauːsa/
• Rhymes: -auːsa

blása (strong verb, third-person singular past indicative blés, third-person plural past indicative blésu, supine blásið)

1. to blow

This verb needs an inflection-table template.

• blástur

From Proto-Germanic *blēsaną.

blása

1. to blow
2. to blow with the mouth
3. to set in motion by blowing

• Icelandic: blása
• Faroese: blása
• Norwegian:
  • Norwegian Bokmål: blåse
  • Norwegian Nynorsk: blåsa, blåse
• Old Danish: blǣsæ
  • Danish: blæse
• Old Swedish: blāsa
  • Swedish: blåsa
• Elfdalian: blåsa
• Gutnish: blase
• Scanian: blæsa

• Zoëga, Geir T. (1910) “blása”, in A Concise Dictionary of Old Icelandic, Oxford: Clarendon Press, page 57; also available at the Internet Archive